Home / 162,059.29-223,653.13-90,440.51

Finding the Fourth Proportional to 162,059.29, 223,653.13 and 90,440.51

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Solution

The fourth proportional to 162,059.29, 223,653.13 and 90,440.51 is: 124,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,059.29 : 223,653.13 = 90,440.51 : x
  2. Step 2: Convert to fraction form
    162,059.29/223,653.13 = 90,440.51/x
  3. Step 3: Cross multiply
    162,059.29x = 223,653.13 × 90,440.51
  4. Step 4: Simplify right side
    162,059.29x = 20,227,301,795.93
  5. Step 5: Solve for x
    x = 20,227,301,795.93/162,059.29
  6. Step 6: Final answer
    x = 124,814.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.